Cheapest one-way flights from Ontario (ONT) to Seoul (ICN), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
04 Sep Frontier Airlines
01 Sep Frontier Airlines
20 Sep China Airlines
23 Sep China Airlines
19 Sep China Airlines
11 Sep China Airlines
09 Sep China Airlines
17 Sep China Airlines
21 Sep China Airlines
14 Sep China Airlines
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deals for return flights from Ontario to Seoul in September.

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Updated Jul 20, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

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